Bluetooth v3.0 hsp, hfp, a2dp, avrc profiles supported

Can connect with mobile phone for calls handling and stereo music/Switch to mono and stereo

Push-to-talk ptt button support control to Bluetooth adapter/dongle

Can connect with various radio Bluetooth adapter/dongle

Support 3.5mm headset connector/Compatibility with various mobile phones

Dsp noise suppression and echo-cancellation, crystal voice quality

Connect to two way radio and mobile phone at the same time, priority setting

Volume up/down independently tuneable/Firmware USB upgrade available

Four-button operation/Long life lithium battery/20 hours talking time/500 hours standby time